JSON AST parser
Install
> npm install json-to-ast
Usage
const parse = ; const settings = // Appends location information. Default is <true> loc: true // Appends source information to node’s location. Default is <null> source: 'data.json'; ;
Output
type: 'Object' children: type: 'Property' key: type: 'Identifier' value: 'a' raw: '"a"' loc: start: line: 1 column: 2 offset: 1 end: line: 1 column: 5 offset: 4 source: 'data.json' value: type: 'Literal' value: 1 raw: '1' loc: start: line: 1 column: 7 offset: 6 end: line: 1 column: 8 offset: 7 source: 'data.json' loc: start: line: 1 column: 2 offset: 1 end: line: 1 column: 8 offset: 7 source: 'data.json' loc: start: line: 1 column: 1 offset: 0 end: line: 1 column: 9 offset: 8 source: 'data.json'
Node types
Object:
type: 'Object' children: <Property> loc?: Object
Property:
type: 'Property' key: <Identifier> value: Object | Array | <Literal> loc?: Object
Identifier:
type: 'Identifier' value: string raw: string loc?: Object
Array:
type: 'Array' children: Object | Array | <Literal> loc?: Object
Literal:
type: 'Literal' value: string | number | boolean | null raw: string loc?: Object
AST explorer
Try it online on astexplorer.net
License
MIT